Posted on February 18, 2023 (Updated on July 10, 2025)

I have a GeoTIFF that is in “WGS 84” and unts of degrees, and need to get it in units of meters. How to convert using gdal?

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How do you convert degrees to meters?

Quote from video: So in meters to get a distance in meters four degrees we multiply whatever number we have in degrees.

How do you read GeoTIFF coordinates?

In the TIFF/GeoTIFF framework, there are essentially three different spaces upon which coordinate systems may be defined. The spaces are: 1) The raster space (Image space) R, used to reference the pixel values in an image, 2) The Device space D, and 3) The Model space, M, used to reference points on the earth.

How many meters is equal to 1 degree?

How Far Is One Degree? Converting NASA’s measurement of the Earth’s radius into meters and substituting it in the formula for arc length, we find that each degree the radius line of the Earth sweeps out corresponds to 111,139 meters.
Nov 6, 2020

How do I change degrees to meters in Qgis?

Changing unit of measure from degrees to meters in QGIS?

  1. Download the relevant shapefile.
  2. Open it in QGIS.
  3. Click the Settings menu and select project properties.
  4. Select a projected coordinate system, like NAD83 / UTM zone 19N.
  5. Click the box Enable ‘on the fly’ CRS transformation.
  6. Click ok.

How many km is 1 degree resolution?

111.1 km

Therefore we can easily compute that 1 degree of latitude is equal to 25,000 / 360 or 69.4 miles (111.1 km). Table 1 shows the approximate length in miles, kilometers, feet and meters for further subdivisions of a degree.

Can you convert decimal degrees to meters?

A value in decimal degrees to an accuracy of 4 decimal places is accurate to 11.1 meters (+/- 5.55 m) at the equator. A value in decimal degrees to 5 decimal places is accurate to 1.11 meter at the equator.



Accuracy.

decimal places degrees distance
1 0.1 11.1 km
2 0.01 1.11 km
3 0.001 111 m
4 0.0001 11.1 m

Does GeoTIFF have elevation data?

In drone mapping workflows, GeoTIFFs can contain both orthophotos and digital elevation models (DEMs).
Aug 4, 2020

How do I convert a GeoTIFF?

File > Export > Export Raster/Image Format.



Using an image editor/viewer:

  1. Convert (Save as…) the geotiff into . jpg using an image converter such as IrfranView http://www.irfanview.com/.
  2. Change the extension of the tfw file that Pix4D software generates to jgw.
  3. Place the jpg, the jgw and the prj folder in one folder.


Does GeoTIFF have elevation?

Quote from video:

How many km is 0.25 degree?

one degree near the equator is equivalent to around 110 km, and moving to south or north the longitude degree value decreases, but the latitude degree value almost remains the same. So 0.25 latitude degree near the equator is equivalent to about 27-28 km.